1. Key Laboratory of Wetland Ecology and Environment Northeast Institute of Geography and Agroecology Chinese Academy of Sciences Changchun China
2. University of Chinese Academy of Sciences Beijing China
3. Department of Organismic and Evolutionary Biology Harvard University Cambridge MA USA
4. Harvard University Herbaria Cambridge MA USA
5. Department of Landscape Architecture Harvard University Cambridge MA USA
6. Basque Center for Climate Change—BC3/Ikerbasque Foundation Leioa Spain